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Tudor Gold Corp. reports exploration and development updates for its precious and base metals claims in British Columbia's Golden Triangle. The company's recurring disclosures center on the 80%-owned Treaty Creek Project, including drilling at the Goldstorm Deposit and related zones, mineral resource estimates under NI 43-101, technical reports, metallurgical test work, and preliminary economic assessment work for potential underground development.
Company updates also cover seasonal exploration planning, gold-silver-copper assay results, financial reporting changes, and permitting or land-use matters that affect Treaty Creek and nearby mining infrastructure in northwestern British Columbia.
Tudor Gold (TDRRF) has started its 2026 exploration drill program at the gold-copper-silver Treaty Creek project in British Columbia, using two diamond drills and planning a minimum of 10,000 meters.
Phase One targets 2,000 meters at the CBS Zone, following prior intercepts such as 0.78 g/t gold and 2.34 g/t silver over 155 meters. Phase Two plans 8,000 meters at the Perfectstorm Zone, building on 2023 results including 1.23 g/t gold and 3.43 g/t silver over 102.15 meters. Drilling is expected to continue through late September or early October.
Tudor Gold (OTCQB:TDRRF) reported positive metallurgical test results from the Upper, Central and Lower zones of the Goldstorm Deposit at Treaty Creek. Locked-cycle tests show saleable gold and copper concentrates can be produced from each zone and from a blended feed.
Combined recoveries reached 80.3% gold, 81.6% silver and 89.1% copper for the blended composite. The results indicate zones can be mined and processed separately or together, supporting flexible mine planning. A preliminary economic assessment on putting Goldstorm into production is targeted for completion in the third quarter of this year.
Tudor (OTC: TDRRF) outlined its planned 2026 Treaty Creek exploration program and provided an update on an overlapping permitting dispute with Seabridge/KSM involving the proposed Mitchell Treaty Twin Tunnels (MTT).
Planned work: 2,000m initially at the CBS Zone and 8,000m initially at the Perfectstorm Zone; two drills to mobilize by mid-May and continue through late September/early October. Tudor has filed two court proceedings to protect its mineral claim rights; no court dates set.
Tudor Gold (OTC: TDRRF) filed an NI 43-101 technical report for its Treaty Creek Project with an effective date of November 30, 2025. The report is prepared by independent Qualified Persons Garth Kirkham and Renee Goold (Morrison) and is posted on SEDAR+ and the company website.
Ken Konkin, Tudor's Senior VP, Exploration, is the project Qualified Person who reviewed and approved the scientific and technical information in the release.
Tudor Gold (OTC: TDRRF) retained Fuse Advisors to prepare a PEA targeting an underground mine at Treaty Creek's Goldstorm Deposit, planning up to 10,000 tonnes/day and aiming to define ~50–100 million tonnes grading >2.5 g/t Au.
The 2026 MRE reports Indicated 912.3M t @ 0.85 g/t Au (24.9M oz) and Inferred 86.1M t @ 1.43 g/t Au (4.0M oz) at a US$50/t NSR cut-off. Preliminary metallurgy targets 15–25 g/t Au concentrate, with projected recoveries ~80–90% Au, 75–85% Ag/Cu. Initial metallurgical results are due late this quarter; PEA is targeted for completion in Q3 2026.
Tudor Gold (OTC: TDRRF) released an updated NI 43-101 Mineral Resource Estimate for the Goldstorm Deposit at Treaty Creek effective Nov 30, 2025. At a base NSR cut-off of US$50/t the 2026 MRE reports Indicated: 24.9 Moz Au, 148.7 Moz Ag, 3,048 Mlbs Cu (912.3 Mt at 0.85 g/t Au) and Inferred: 4.0 Moz Au, 18.6 Moz Ag, 327.7 Mlbs Cu (86.1 Mt at 1.43 g/t Au). Higher NSR sensitivities (US$125 and US$175/t) show materially higher grades with reduced tonnages. Metallurgical test work and mine planning are underway to evaluate an underground mine targeting roughly 300,000 oz Au/year and a potential PEA later in 2026.
Tudor Gold (OTC: TDRRF) reviewed 2025 milestones and set 2026 objectives to advance the Treaty Creek Project in British Columbia's Golden Triangle. Key facts: Indicated resource 730.20 Mt containing 21.66 Moz Au (0.92 g/t) and Inferred resource 149.61 Mt containing 4.88 Moz Au (1.01 g/t).
The company completed a 5,052 m 2025 drill program that expanded higher-grade corridors and reported standout intercepts (e.g., GS-25-188: 2.31 g/t Au over 54.0 m with higher-grade intervals). An updated Mineral Resource estimate incorporating 2024–2025 drilling is targeted for January 2026. Tudor closed financings totalling approximately $24.5M in December 2025 to fund drilling, metallurgical work and permitting. The company is pursuing an underground exploration ramp permit and continuing legal proceedings and negotiations related to a permitting overlap and ownership consolidation.
Tudor (TDRRF) changed its financial year-end from March 31 to December 31, effective for the 2025 reporting cycle.
The company will file audited financial results for a nine-month transition year (April 1, 2025–December 31, 2025) with a comparative period of the 12 months ended March 31, 2025. Going forward, Tudor will report on a calendar fiscal year ending December 31, with fiscal quarters ending on the last day of March, June and September.
Further details on period lengths and comparative interim/annual statements are available in the Notice of Change of Financial Year End filed on SEDAR+.
Tudor Gold (OTC: TDRRF) completed its 2025 exploration program at the 80%‑owned Treaty Creek project, reporting final drillhole GS-25-191-W1 and additional select results. Key intercepts include 23.80 m @ 1.37 g/t Au (1.43 g/t AuEQ) and multiple higher‑grade subintervals. Tudor will incorporate ~15,000 m of 2024–2025 drilling into an updated Mineral Resource using a finer 5x5x5 m block model (vs 10x10x10 m), with an updated estimate targeted for Q4 2025. Plans include permitting and, subject to approvals, beginning an underground ramp in Q3 2026 to access the high‑grade SC‑1 zone.
All assays are uncut, true widths remain undetermined, and further drilling and permitting are required.
Tudor Gold (OTC: TDRRF) proposed an alternative alignment for Seabridge Gold's KSM Mitchell-Treaty twinned tunnels to avoid routing through Tudor's Treaty Creek Goldstorm Deposit and the Perfectstorm Zone. Tudor says the reroute shifts tunnels ~1 km north, adding ~2.5 km (about +3.1% of total preproduction tunnel length) and may encounter similar or better ground conditions. Tudor reports Indicated Mineral Resources of 21.66 million oz Au and Inferred 4.88 million oz Au at Goldstorm. Tudor filed three BC court proceedings while pursuing negotiation and targets an updated resource in Q4 2025 and ramp excavation in Q3 2026 subject to permits.